user
Find the Punnett Square for a cross between two parents with heterozygous dominant (Tt) and homozygous recessive (tt) alleles. Output:
assistant
The Punnett Square would look like this:

TT | Tt
Tt | tt. 

 So, the alleles could be dominant (T) and recessive (t). The genotypic ratio would be 1:2:1 (TT:Tt:tt).